Individual provider Active NPI

Gary L Mendelson, AU.D. AND PSY.D.

  • Audiologist-Hearing Aid Fitter
  • Potomac, MD
National Provider Identifier
1831172428
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Audiologist-Hearing Aid FitterTaxonomy code 237600000X
License
00070 Issued in MD
Practice address
11604 Bunnell CT S
Potomac, MD 20854-3603
Phone
(301) 299-6714
Fax
(301) 983-9396
NPI assigned
Nov 28, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Audiologist-Hearing Aid Fitter 237600000X 00070 MD Primary

Addresses

Primary practice location

11604 Bunnell CT S
Potomac, MD 20854-3603

Mailing address

11604 Bunnell CT S
Potomac, MD 20854-3603
Phone (301) 299-6714

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20060202000964 MD Practitioner - Qualified Audiologist 9133133739 Reassigns benefits to 1 organization
Practice locations: Solomons, MD; Prince Frederick, MD
I20061030000386 DC Practitioner - Qualified Audiologist 9133133739 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Qualified Audiologist
Education
At Still University of Health Sciences, College of Osteo Med, Kirksville, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

11604 Bunnell S CT
Potomac, MD 20854-3603
Phone (301) 299-6714

65 Duke St
Suite 103
Prince Frederick, MD 20678-6128
Phone (301) 299-6714

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1133136000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1831172428",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11604 BUNNELL CT S",
            "city": "POTOMAC",
            "state": "MD",
            "postal_code": "208543603",
            "telephone_number": "301-299-6714",
            "fax_number": "301-983-9396"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11604 BUNNELL CT S",
            "city": "POTOMAC",
            "state": "MD",
            "postal_code": "208543603",
            "telephone_number": "301-299-6714",
            "fax_number": "301-983-9396"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MENDELSON",
        "first_name": "GARY",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "AU.D. AND PSY.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-28",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "237600000X",
            "taxonomy_group": "",
            "desc": "Audiologist-Hearing Aid Fitter",
            "state": "MD",
            "license": "00070",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Potomac, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.